Fungal infections in your toenails are caused by dermatophytes, yeasts, or molds, which can enter through a crack in the nail, a cut in the skin near it, or a separation between the nail and skin. Symptoms include discolored, thickened, brittle, crumbly, or misshapen nails.
Birth control propaganda wouldn't cut it, and the government sought a more forceful method of population control. In 1979 they introduced a policy that limiting some families to having only one child.
In the 35 years since China adopted its one-child policy, for many of the country's 1.4 billion citizens, the term has come to express the official government policy of having just one healthy child.